<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>桂林山水风景图片</title>
</head>
<style>
    h3{
        text-align: center;
    }
    .main {
        width: 1000px;
        height: 200px;
        text-align: center;
        margin-left: 350px;
    }
    ul{
        list-style-type: none;
        text-align: center;
    }
    li{
        float: left;
    }
    img{
        width: 150px;
        height: 150px;
        margin-left: 20px;
        margin-right: 20px;
    }
</style>
<body>
<h3>桂林山水风景图片</h3>
<div class="main">
    <ul>
        <li><div><img src="image/image51.jpg" alt=""></div><a href="image/image51.jpg">桂林山水1</a></li>
        <li><div><img src="image/image52.jpg" alt=""></div><a href="image/image52.jpg">桂林山水1</a></li>
        <li><div><img src="image/image53.jpg" alt=""></div><a href="image/image53.jpg">桂林山水1</a></li>
        <li><div><img src="image/image54.jpg" alt=""></div><a href="image/image54.jpg">桂林山水1</a></li>
    </ul>
</div>
</body>
</html>